US PATENT SUBCLASS 414 / 164
.~.~.~.~ With closures for ports and means on vehicle to manipulate them

Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

147  DF  CHAMBER OF A TYPE UTILIZED FOR A HEATING FUNCTION AND MATERIAL CHARGING OR DISCHARGING MEANS THEREFOR {6}
160  DF  .~ Charging of chamber {7}
162  DF  .~.~ Through plural ports in top of chamber {1}
163  DF  .~.~.~ From vehicle-carried hopper located above port {1}
164.~.~.~.~ With closures for ports and means on vehicle to manipulate them

DEFINITION

Classification: 414/164

With closures for ports and means on vehicle to manipulate them:

(under subclass 163) Apparatus wherein the chamber entrances have closures and the hopper-carrying vehicle has means located thereon to operate (e.g., open) the closures.